B1313 Code - Interior Lighting Output Circuit Short
Quick Answer
The Body Control Module (BCM) fuse supplies power for the interior courtesy lamps (and the running board lamps if equipped). Common causes include Faulty Interior Lamp, Interior Lamp harness is open or shorted, Interior Lamp circuit poor electrical connection. Severity is Low - monitor the vehicle and repair when practical. The vehicle can usually be driven if no severe symptoms are present, but symptoms should be checked before extended driving.
- What it means
- B1313 indicates Interior Lighting Output Circuit Short.
- Common causes
- Common causes include Faulty Interior Lamp, Interior Lamp harness is open or shorted, Interior Lamp circuit poor electrical connection.
- Severity
- Low - monitor the vehicle and repair when practical.
- Can I drive?
- The vehicle can usually be driven if no severe symptoms are present, but symptoms should be checked before extended driving.
Code B1313 Description
What are the Possible Causes of the DTC B1313?
- Faulty Interior Lamp
- Interior Lamp harness is open or shorted
- Interior Lamp circuit poor electrical connection
- Faulty Body Control Module (BCM)
How to Fix the DTC B1313?
Review the 'Possible Causes' above and visually examine the corresponding wiring harness and connectors. Check for damaged components and inspect connector pins for signs of being broken, bent, pushed out, or corroded.
Code Tech Notes
B1313:15 Interior Lighting Output Circuit Short To Battery or Open
What is the Cost to Diagnose the Code?
Labor: 1.0
To diagnose the B1313 code, it typically requires 1.0 hour of labor. Rates vary by location, vehicle, and shop. Many shops charge between $80–$150 per hour; dealerships and metro areas may be higher, independents may be lower.
Need more information about the B1313 code?
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Need Help with the Code?
Get the B1313 code diagnosed by a professional: Find a repair shop in your area
Information for Specific Makes
- B1313 Ford — Interior Lighting Output Circuit Short
- B1313 Lincoln — Interior Lighting Output Circuit Short
- B1313 Mercury — Interior Lighting Output Circuit Short
Frequently Asked Questions about B1313 Code
1. What are the common symptoms of OBDII code B1313 (Interior Lighting Output Circuit Short)?
- Common symptoms include interior lights not working, flickering lights, or lights staying on when the vehicle is off.
2. What could cause the B1313 code to trigger?
- The B1313 code is typically triggered by a short circuit in the interior lighting system, such as a damaged wire or a faulty interior light switch.
3. How can I diagnose the Interior Lighting Output Circuit Short issue related to code B1313?
- To diagnose the issue, you can use a multimeter to check for continuity in the interior lighting circuit, inspect the wiring for any visible damage, and test the interior light switch for proper functionality.
4. Can a DIYer repair the Interior Lighting Output Circuit Short problem associated with code B1313?
- If you have experience with automotive electrical systems and wiring, you may be able to repair the issue yourself by identifying and fixing the short circuit in the interior lighting system.
5. Is it safe to continue driving with the B1313 fault code present?
- It is generally safe to drive with the B1313 code related to the interior lighting output circuit short, but it is recommended to address the issue promptly to avoid any inconvenience or safety concerns.
6. Are there any precautions to take when working on the interior lighting system to resolve the B1313 code?
- Before working on the interior lighting system, disconnect the vehicle's battery to prevent any electrical shorts or accidents. Additionally, refer to the vehicle's service manual for specific instructions.
7. What are the potential consequences of ignoring the B1313 code and not repairing the Interior Lighting Output Circuit Short issue?
- Ignoring the B1313 code could lead to continued malfunction of the interior lighting system, draining the vehicle's battery, or even affecting other electrical components in the vehicle.
8. How long does it typically take to repair the Interior Lighting Output Circuit Short problem causing the B1313 code?
- The repair time can vary depending on the exact cause of the short circuit and the complexity of accessing the interior lighting components. It may take anywhere from 1 to 3 hours to complete the repair.
9. Should I reset the B1313 code after repairing the Interior Lighting Output Circuit Short issue?
- Yes, it is recommended to reset the B1313 code using an OBDII scanner after repairing the interior lighting output circuit short to clear the fault code and ensure the issue has been resolved.
10. Can extreme weather conditions contribute to the Interior Lighting Output Circuit Short issue associated with code B1313?
- Extreme weather conditions, such as extreme heat or cold, can sometimes cause wiring insulation to degrade and potentially lead to a short circuit in the interior lighting system triggering the B1313 code.
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